1225926937 has 16 divisors (see below), whose sum is σ = 1269974160. Its totient is φ = 1182643200.

The previous prime is 1225926931. The next prime is 1225926953. The reversal of 1225926937 is 7396295221.

It can be written as a sum of positive squares in 8 ways, for example, as 853282521 + 372644416 = 29211^2 + 19304^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1225926937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1225926931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1728739 + ... + 1729447.

It is an arithmetic number, because the mean of its divisors is an integer number (79373385).

Almost surely, 2^1225926937 is an apocalyptic number.

It is an amenable number.

1225926937 is a deficient number, since it is larger than the sum of its proper divisors (44047223).

1225926937 is a wasteful number, since it uses less digits than its factorization.

1225926937 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164.

The product of its digits is 408240, while the sum is 46.

The square root of 1225926937 is about 35013.2394530983. The cubic root of 1225926937 is about 1070.2572930625.

The spelling of 1225926937 in words is "one billion, two hundred twenty-five million, nine hundred twenty-six thousand, nine hundred thirty-seven".